The I.W.W.: A Study of American Syndicalism

Table D — Membership of the I. W. W. (Chicago and Detroit) and of All Labor Organizations in the U. S., 1905-1917734

	Members of labor organizations in the U. S.	Members of the I. W. W.
		Chicago.		Detroit.
		(St. John)735	(Barnett)	(Barnett)
1905	1,945,000	23,219	14,300
1906	1,906,300	...	10,400
1907	2,077,600	5,931	6,700
1908	2,090,400	5,397	13,200
1909	2,003,100	3,719	10,700
1910	2,138,000	4,617	9,100	3,475739
1911	2,336,000	4,330	13,800	3,500
1912	2,440,800	18,387	18,300	10,700
1913	2,701,000	14,851	14,300	5,000
1914	2,674,400	11,365	12,000	2,000
1915	...	15,000736	...	2,000
1916	...	60,000737
1917	...	200,000738

Footnotes

727 Adapted by permission from Wolman, Leo, “Extent of Labor Organization,” Quar. Jour. Econ. (May, 1916), 30: 606-13.

728 All I. W. W. membership in coal mines.

729 All I. W. W. membership in clothing, shirt, collar and cuff factories.

730 All I. W. W. membership in slaughter and packing houses.

731 All I. W. W. membership on steam railroads.

732 Adapted by permission from Geo. E. Barnett, Quar. Jour. Econ. (Aug., 1916, Appendix), vol. 30: pp. 838-46.

733 Merged in the I. W. W. in 1905.

734 Adapted from Barnett, op. cit. (Quar. Jour. Econ., Aug., 1916.)

735 Private correspondence. (1905-1914.)

736 Haywood, W. D. Testimony Industrial Relations Commission, Washington, May 12, 1915 (Final report and testimony, vol. xi, p. 10581).

737 St. John, V. The I. W. W. History, Structure and Methods. (1917 Ed. p. 23.)

738 Credited in the government indictment in the case of The United States of America v. William D. Haywood, et al., no. 6125, p. 7.

739 Wolman, op. cit.